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Did obsidian come out of mt st Helens?
Interesting question. After the explosive eruption, the gas content of the rhyolitic magma should have decreased enough to allow obsidian to form. It is the right kind of lava. However, most of the lava dome in the Mount St. Helens caldera is dacite, which is "grainier" than obsidian, indicating that it cooled too slowly to have a "glassy" appearance. Obsidian flows must cool quickly to prevent crystal formation. It is possible that some obsidian was formed, but subsequently covered by dacite. I have not been able to find any reports that mention obsidian recovered from the Mount St Helens lava dome.So the answer is a qualified no, we don't have any evidence of obsidian flows from Mount St Helens.Incidentally, there are individuals and companies selling products they call "helenite" or "St Helens Obsidian", which is a synthetic material created by fusing volcanic ash (which may or may not have come from Mount St Helens).
Has anything been done to prevent Mount St. Helens from erupting again?
It is likely that Mount St. Helens will erupt again in the upcoming years, and unfortunately, there is no way to prevent this occurrence. However, when an eruption is impending, the USGS will provide short-term forecasts and warnings. This way, people in the area will be able to evacuate.
Why is Mount St Helens where it is?
Mount St. Helens made the news when it became active on March 20th, 1980, and then erupted on May 18th, 1980. Use the link below to the Wikipedia post on this event. It comes complete with pictures, drawings and an easy-to-read description of the action. And it is free.
How far away were the effects felt mount st Helens?
The eruptive effects were felt worldwide for a full year after the 1980 eruption of Mt. St. Helens. There was enough carbon dioxide as well as sulfur dioxide erupted from the volcano that it was able to measurably reduce global temperatures by 1.5 degrees. The heaviest impacted area from the eruption was the area directly to the north that was part of the blow down zone following the lateral blast from the volcano. There was also however a big impact on the central United States due to the ash fall that killed crops and injured live stock.
What is the spider that lives on mount everest?
The Euophrys omnisuperstes is a small jumping spider that lives 22,000 ft up Mount Everest.
Did obsidian come out of mt st Helens?
Interesting question. After the explosive eruption, the gas content of the rhyolitic magma should have decreased enough to allow obsidian to form. It is the right kind of lava. However, most of the lava dome in the Mount St. Helens caldera is dacite, which is "grainier" than obsidian, indicating that it cooled too slowly to have a "glassy" appearance. Obsidian flows must cool quickly to prevent crystal formation. It is possible that some obsidian was formed, but subsequently covered by dacite. I have not been able to find any reports that mention obsidian recovered from the Mount St Helens lava dome.So the answer is a qualified no, we don't have any evidence of obsidian flows from Mount St Helens.Incidentally, there are individuals and companies selling products they call "helenite" or "St Helens Obsidian", which is a synthetic material created by fusing volcanic ash (which may or may not have come from Mount St Helens).
Has anything been done to prevent Mount St. Helens from erupting again?
It is likely that Mount St. Helens will erupt again in the upcoming years, and unfortunately, there is no way to prevent this occurrence. However, when an eruption is impending, the USGS will provide short-term forecasts and warnings. This way, people in the area will be able to evacuate.
Why is Mount St Helens where it is?
Mount St. Helens made the news when it became active on March 20th, 1980, and then erupted on May 18th, 1980. Use the link below to the Wikipedia post on this event. It comes complete with pictures, drawings and an easy-to-read description of the action. And it is free.
Which layers have scientists been able to explore?
which layers of the earth have scientists been able to explore
What is A major disturbance that the ecosystem was able to recover completely from?
I think that the increasing and decreasing of the other populations was a major disturbance that the ecosystem was able to recover compelety
Where can a cantilever mount be bought?
There are many places where one would be able to purchase a Cantilever mount. One would be able to purchase a Cantilever mount from sites such as Amazon or eBay.
How were scientists able to explore the wreck of the Titanic?
I have no clue
What are Helen kellers major accomplishments?
Helens major accomplishment was being able to comunicate with the world even though she was deaf and blind.
Where can I find a good deal on a rack mount cabinet?
Check out Rackmount Mart. You should be able to find a rack mount cabinet there. You should be able to find a rack mount cabinet at Rackmount Solutions. They have a good variety.
How did mount st Helen's affect the environment?
The May 18, 1980 eruption of Mt. St. Helens was a strong enough eruption to cause minor global climate change. With the amount of ash and sulfur dioxide that the mountain was able to put into the upper atmosphere, although it is difficult to pinpoint how much the global temperature was actually effected by Mt. St. Helens, the scientists do know it happened. The reason it is hard to pinpoint what temperature change was directly caused by Mt. St. Helens is because there were several large eruptions around the same time period that almost certainly would have contributed to the temperature changes in the following years.
What is Saint Wolfgang the patron saint of?
As far as I have been able to determine, Wolfgang is the patron saint of several European churches but has no other particular patronages.
What is the best flat wall mount for my TV?
The best wall mount is going to one that is properly sized for your television and that will be able to hold the weight of it. You also want to consider if you will want your mount to be able to more or tilt. A sales associate at your store should be able to assist you in properly choosing one.
